able to withstand exposure to all kinds of weather.

verb (used with object)

to make (something) weatherproof.

Origin of weatherproof

First recorded in 1610–20; weather + -proof
Related formsweath·er·proof·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for weatherproof

Historical Examples of weatherproof

  • Weatherproof shelters had to be built as rapidly as possible.

    Space Prison

    Tom Godwin

  • One need say no more, except that they were, in the main, weatherproof.

    The One-Way Trail

    Ridgwell Cullum

  • Regular meals and weatherproof lodgings will not do this long.

    Lay Morals

    Robert Louis Stevenson

  • You'll have pens and weatherproof notebooks to copy it down in.

    The Old Die Rich

    Horace Leonard Gold

  • As he did so a scanning light went on in the weatherproof niche.

    The Mighty Dead

    William Campbell Gault

British Dictionary definitions for weatherproof



designed or able to withstand exposure to weather without deterioration


(tr) to render (something) weatherproof
Derived Formsweatherproofness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012